function MostraPergunta(objRefDd)
{
	var intMax = document.getElementsByTagName("dd").length;
	var objDd = document.getElementsByTagName("dd");
	var objDt = document.getElementsByTagName("dt");
	var intCont;
	var blnIe = navigator.appName.indexOf('Microsoft', 0) >= 0 ? true : false;
	
	for (intCont=0; intCont<intMax;intCont++)
	{
		if(objDd[intCont] == objRefDd && objDd[intCont].className != 'ativo')
		{
		  objDd[intCont].className = 'ativo';
		  if (blnIe)
		  {
			objDt[intCont].style.display = 'block';
		  }
		  else
		  {
			objDt[intCont].style.display = 'table';
		  }		
		}
		else
		{
		  if ((intCont % 2) == 0)
		  {
			objDd[intCont].className = 'zebrado';
		  }
		  else
		  {
		    objDd[intCont].className = 'zebrado';
		  }
		  objDt[intCont].style.display = 'none';
		}
	}
}